/**
 * This file is part of 1genia trampoline
 * Copyright (C) 2007 1genia (contact@1genia.com)
 *
 * This library is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; version 3 of the License. 
 *
 * This library is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details. 
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; see the file COPYING.TXT.  If not,
 * write to the Free Software Foundation, Inc., 51 Franklin Street,
 * Fifth Floor, Boston, MA 02110-1301, USA. 
 **/
package com.genia.toolbox.basics.bean.impl;

import java.io.IOException;

import com.genia.toolbox.basics.bean.DisplayObject;

/**
 * This class is a default <code>DisplayObject</code>. It uses the method
 * <code>toString</code> to retrieve the <code>String</code> representation of
 * an object.
 */
public class DefaultDisplayObject
    implements DisplayObject<Object>
{

  /**
   * shared instance.
   */
  public static final DisplayObject<Object> INSTANCE = new DefaultDisplayObject();



  /**
   * protected constructor to prevent multiple instantiation but allowing
   * inheritance.
   */
  protected DefaultDisplayObject()
  {
    // Do nothing.
  }



  /**
   * append the <code>String</code> representation of <code>object</code> to
   * <code>appendable</code>.
   * 
   * @param appendable
   *          the <code>Appendable</code> that will get the representation of
   *          <code>objetct</code>
   * @param object
   *          the object to be represented
   * @throws IOException
   *           when an I/O problem occurred
   */
  public void append(final Appendable appendable, final Object object)
      throws IOException
  {
    if (object != null) {
      appendable.append(object.toString());
    }
  }

}
